Alison MacDonald (right) walks through the cafeteria on a scavenger hunt tour of Davis Elementary School in Marietta on Monday, August 4, 2014.
August 4, 2014 Marietta – Alison MacDonald (right) walks through the cafeteria on a scavenger hunt tour of Davis Elementary School in Marietta on Monday, August 4, 2014. Students in Cobb County and Atlanta public schools headed back to class on Monday for the new school year. JONATHAN PHILLIPS / SPECIAL